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Test Info:
- Manifest: layout/reftests/dom/reftest.list
<head>
<script>
customElements.define("custom-element", class extends HTMLElement {
constructor() {
super();
const template = document.getElementById("template");
const shadowRoot = this.attachShadow({mode: "open"})
.appendChild(template.content.cloneNode(true));
}
});
function boom()
{
document.body.offsetHeight;
var lastdiv = document.getElementById("last");
var parent = lastdiv.parentNode;
var newelt = document.createElement("span");
newelt.setAttribute("slot", "foo");
newelt.appendChild(document.createTextNode(2));
parent.insertBefore(newelt, lastdiv);
document.body.offsetHeight;
document.documentElement.className = "";
}
</script>
</head>
<body onload="boom();">
<template id="template">
<div>
<slot name="foo"/>
</div>
<div>
<slot/>
</div>
</template>
<custom-element style="display: block;">
<div>3</div><span slot="foo">1</span><div>4</div><div id="last">5</div>
</custom-element>
</body>
</html>